Q. 64.9( 14 Votes )
The percentages of marks obtained by a student in six unit tests are given below:
A unit test is selected at random. What is the probability that the student gets more than 60% marks in the test ?
Answer :
Total number of unit tests: 6
Number of Unit tests in which, the student got more than 60%: 2
That includes 1.) unit test II and
2.) unit test V
Probability P() = 
1.Let P(U) be probability of Student scoring more than 60% in unit tests
P (U) = 
P (U) = 
= 
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